SAT® Subject Test in Biology

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Calculation of Population Density

SATBIO-4BVHXX

Some of the plants found in a 5 meter by 5 meter plot are shown in the table below.

                                                Plant Species

Plant Number of Organisms
Switchgrass 10
Little Bluesteam 15
Prickly Pear Cactus 3
Oak Tree Sapling 2
Goldenrod 5

What is the population density of goldenrod in the plot?

A

1 plant per 5 square meters

B

2 plants per 5 square meters

C

3 plants per 5 square meters

D

2 plants per 1 square meter

E

7 plants per 5 square meters